<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"> <title>DTN Reference Implementation: BonjourDiscovery.cc Source File</title> <link href="doxygen.css" rel="stylesheet" type="text/css"> <link href="tabs.css" rel="stylesheet" type="text/css"> </head><body> <!-- Generated by Doxygen 1.5.6 --> <div class="navigation" id="top"> <div class="tabs"> <ul> <li><a href="main.html"><span>Main Page</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li><a href="annotated.html"><span>Classes</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul> </div> <h1>BonjourDiscovery.cc</h1><a href="BonjourDiscovery_8cc.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span> <a name="l00002"></a>00002 <span class="comment"> * Copyright 2007 Intel Corporation</span> <a name="l00003"></a>00003 <span class="comment"> * </span> <a name="l00004"></a>00004 <span class="comment"> * Licensed under the Apache License, Version 2.0 (the "License");</span> <a name="l00005"></a>00005 <span class="comment"> * you may not use this file except in compliance with the License.</span> <a name="l00006"></a>00006 <span class="comment"> * You may obtain a copy of the License at</span> <a name="l00007"></a>00007 <span class="comment"> * </span> <a name="l00008"></a>00008 <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span> <a name="l00009"></a>00009 <span class="comment"> * </span> <a name="l00010"></a>00010 <span class="comment"> * Unless required by applicable law or agreed to in writing, software</span> <a name="l00011"></a>00011 <span class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</span> <a name="l00012"></a>00012 <span class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> <a name="l00013"></a>00013 <span class="comment"> * See the License for the specific language governing permissions and</span> <a name="l00014"></a>00014 <span class="comment"> * limitations under the License.</span> <a name="l00015"></a>00015 <span class="comment"> */</span> <a name="l00016"></a>00016 <a name="l00017"></a>00017 <span class="preprocessor">#ifdef HAVE_CONFIG_H</span> <a name="l00018"></a>00018 <span class="preprocessor"></span><span class="preprocessor"># include <<a class="code" href="dtn-config_8h.html">dtn-config.h</a>></span> <a name="l00019"></a>00019 <span class="preprocessor">#endif</span> <a name="l00020"></a>00020 <span class="preprocessor"></span> <a name="l00021"></a>00021 <span class="preprocessor">#ifdef OASYS_BONJOUR_ENABLED</span> <a name="l00022"></a>00022 <span class="preprocessor"></span> <a name="l00023"></a>00023 <span class="preprocessor">#include "<a class="code" href="BonjourDiscovery_8h.html">BonjourDiscovery.h</a>"</span> <a name="l00024"></a>00024 <span class="preprocessor">#include "<a class="code" href="BundleDaemon_8h.html">bundling/BundleDaemon.h</a>"</span> <a name="l00025"></a>00025 <span class="preprocessor">#include "<a class="code" href="TCPConvergenceLayer_8h.html">conv_layers/TCPConvergenceLayer.h</a>"</span> <a name="l00026"></a>00026 <a name="l00027"></a>00027 <span class="preprocessor">#define ADDRESS_KEY "local_eid"</span> <a name="l00028"></a>00028 <span class="preprocessor"></span> <a name="l00029"></a>00029 <span class="keyword">namespace </span>dtn { <a name="l00030"></a>00030 <a name="l00031"></a>00031 <span class="comment">//----------------------------------------------------------------------</span> <a name="l00032"></a>00032 BonjourDiscovery::BonjourDiscovery(<span class="keyword">const</span> std::string& name) <a name="l00033"></a>00033 : Discovery(name, <span class="stringliteral">"bonjour"</span>), <a name="l00034"></a>00034 oasys::Thread(<span class="stringliteral">"BonjourDiscovery"</span>), <a name="l00035"></a>00035 notifier_(<span class="stringliteral">"/dtn/discovery/bonjour"</span>), <a name="l00036"></a>00036 shutdown_(false) <a name="l00037"></a>00037 { <a name="l00038"></a>00038 } <a name="l00039"></a>00039 <a name="l00040"></a>00040 <span class="comment">//----------------------------------------------------------------------</span> <a name="l00041"></a>00041 BonjourDiscovery::~BonjourDiscovery() <a name="l00042"></a>00042 { <a name="l00043"></a>00043 <span class="comment">// XXX/demmer call DNSServiceRefDeallocate??</span> <a name="l00044"></a>00044 } <a name="l00045"></a>00045 <a name="l00046"></a>00046 <span class="comment">//----------------------------------------------------------------------</span> <a name="l00047"></a>00047 <span class="keywordtype">bool</span> <a name="l00048"></a>00048 BonjourDiscovery::configure(<span class="keywordtype">int</span> argc, <span class="keyword">const</span> <span class="keywordtype">char</span>* argv[]) <a name="l00049"></a>00049 { <a name="l00050"></a>00050 (void)argc; <a name="l00051"></a>00051 (void)argv; <a name="l00052"></a>00052 <a name="l00053"></a>00053 start(); <a name="l00054"></a>00054 <span class="keywordflow">return</span> <span class="keyword">true</span>; <a name="l00055"></a>00055 } <a name="l00056"></a>00056 <a name="l00057"></a>00057 <span class="comment">//----------------------------------------------------------------------</span> <a name="l00058"></a>00058 <span class="keywordtype">void</span> <a name="l00059"></a>00059 BonjourDiscovery::shutdown() <a name="l00060"></a>00060 { <a name="l00061"></a>00061 shutdown_ = <span class="keyword">true</span>; <a name="l00062"></a>00062 notifier_.notify(); <a name="l00063"></a>00063 } <a name="l00064"></a>00064 <a name="l00065"></a>00065 <span class="comment">//----------------------------------------------------------------------</span> <a name="l00066"></a>00066 <span class="keywordtype">void</span> <a name="l00067"></a>00067 BonjourDiscovery::run() <a name="l00068"></a>00068 { <a name="l00069"></a>00069 DNSServiceRef register_svc, browse_svc; <a name="l00070"></a>00070 DNSServiceErrorType err; <a name="l00071"></a>00071 <a name="l00072"></a>00072 <span class="keyword">const</span> EndpointID& local_eid = BundleDaemon::instance()->local_eid(); <a name="l00073"></a>00073 <span class="keywordtype">char</span> txt[255]; <a name="l00074"></a>00074 TXTRecordRef record; <a name="l00075"></a>00075 TXTRecordCreate(&record, 255, &txt); <a name="l00076"></a>00076 err = TXTRecordSetValue(&record, ADDRESS_KEY, local_eid.length(), local_eid.data()); <a name="l00077"></a>00077 <a name="l00078"></a>00078 <span class="keywordflow">if</span> (err != kDNSServiceErr_NoError) { <a name="l00079"></a>00079 log_err(<span class="stringliteral">"KURTIS error in DNSServiceRegister: %s"</span>, dns_service_strerror(err)); <a name="l00080"></a>00080 <span class="keywordflow">return</span>; <a name="l00081"></a>00081 } <a name="l00082"></a>00082 <a name="l00083"></a>00083 <span class="comment">// call DNSServiceRegister to announce the tcp service listening</span> <a name="l00084"></a>00084 <span class="comment">// on the default port</span> <a name="l00085"></a>00085 err = DNSServiceRegister(&register_svc, <a name="l00086"></a>00086 0 <span class="comment">/* interface */</span>, <a name="l00087"></a>00087 0 <span class="comment">/* flags */</span>, <a name="l00088"></a>00088 NULL <span class="comment">/* name */</span>, <a name="l00089"></a>00089 <span class="stringliteral">"_dtn._tcp"</span> <span class="comment">/* regtype */</span>, <a name="l00090"></a>00090 NULL <span class="comment">/* domain */</span>, <a name="l00091"></a>00091 NULL <span class="comment">/* host */</span>, <a name="l00092"></a>00092 htons(<a class="code" href="classdtn_1_1TCPConvergenceLayer.html#cebde3c0927aac1d486255abe224873b" title="Default port used by the tcp cl.">TCPConvergenceLayer::TCPCL_DEFAULT_PORT</a>), <a name="l00093"></a>00093 TXTRecordGetLength(&record) <span class="comment">/* txtLen */</span>, <a name="l00094"></a>00094 TXTRecordGetBytesPtr(&record) <span class="comment">/* txtRecord */</span>, <a name="l00095"></a>00095 register_reply_callback <span class="comment">/* callback */</span>, <a name="l00096"></a>00096 <span class="keyword">this</span> <span class="comment">/* context */</span>); <a name="l00097"></a>00097 <a name="l00098"></a>00098 TXTRecordDeallocate(&record); <a name="l00099"></a>00099 <a name="l00100"></a>00100 <span class="keywordflow">if</span> (err != kDNSServiceErr_NoError) { <a name="l00101"></a>00101 log_err(<span class="stringliteral">"error in DNSServiceRegister: %s"</span>, dns_service_strerror(err)); <a name="l00102"></a>00102 <span class="keywordflow">return</span>; <a name="l00103"></a>00103 } <a name="l00104"></a>00104 <a name="l00105"></a>00105 log_notice(<span class="stringliteral">"DNSServiceRegister succeeded"</span>); <a name="l00106"></a>00106 svc_vec_.push_back(register_svc); <a name="l00107"></a>00107 <a name="l00108"></a>00108 <span class="comment">// kick off a browse for other services on the local network</span> <a name="l00109"></a>00109 err = DNSServiceBrowse(&browse_svc, <a name="l00110"></a>00110 0 <span class="comment">/* flags */</span>, <a name="l00111"></a>00111 0 <span class="comment">/* interface */</span>, <a name="l00112"></a>00112 <span class="stringliteral">"_dtn._tcp"</span> <span class="comment">/* regtype */</span>, <a name="l00113"></a>00113 NULL <span class="comment">/* domain */</span>, <a name="l00114"></a>00114 browse_callback <span class="comment">/* callback */</span>, <a name="l00115"></a>00115 <span class="keyword">this</span> <span class="comment">/* context */</span>); <a name="l00116"></a>00116 <a name="l00117"></a>00117 <span class="keywordflow">if</span> (err != kDNSServiceErr_NoError) { <a name="l00118"></a>00118 log_err(<span class="stringliteral">"error in DNSServiceBrowse: %s"</span>, dns_service_strerror(err)); <a name="l00119"></a>00119 <span class="keywordflow">return</span>; <a name="l00120"></a>00120 } <a name="l00121"></a>00121 <a name="l00122"></a>00122 log_notice(<span class="stringliteral">"DNSServiceBrowse succeeded"</span>); <a name="l00123"></a>00123 svc_vec_.push_back(browse_svc); <a name="l00124"></a>00124 <a name="l00125"></a>00125 <span class="keywordtype">int</span> notifier_fd = notifier_.read_fd(); <a name="l00126"></a>00126 <a name="l00127"></a>00127 <span class="keywordflow">while</span> (1) { <a name="l00128"></a>00128 retry: <a name="l00129"></a>00129 <span class="keywordtype">int</span> num_pollfds = svc_vec_.size() + 1; <a name="l00130"></a>00130 <span class="keyword">struct </span>pollfd pollfds[num_pollfds]; <a name="l00131"></a>00131 <a name="l00132"></a>00132 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_pollfds - 1; ++i) { <a name="l00133"></a>00133 pollfds[i].fd = DNSServiceRefSockFD(svc_vec_[i]); <a name="l00134"></a>00134 <span class="keywordflow">if</span> (pollfds[i].<a class="code" href="dtnperf-client_8c.html#6f8059414f0228f0256115e024eeed4b">fd</a> == -1) { <a name="l00135"></a>00135 log_crit(<span class="stringliteral">"DNSServiceRefSockFD failed -- removing svc %d!!"</span>, i); <a name="l00136"></a>00136 svc_vec_.erase(svc_vec_.begin() + i); <a name="l00137"></a>00137 <span class="keywordflow">goto</span> retry; <a name="l00138"></a>00138 } <a name="l00139"></a>00139 pollfds[i].events = POLLIN; <a name="l00140"></a>00140 pollfds[i].revents = 0; <a name="l00141"></a>00141 } <a name="l00142"></a>00142 <a name="l00143"></a>00143 pollfds[num_pollfds - 1].fd = notifier_fd; <a name="l00144"></a>00144 pollfds[num_pollfds - 1].events = POLLIN; <a name="l00145"></a>00145 pollfds[num_pollfds - 1].revents = 0; <a name="l00146"></a>00146 <a name="l00147"></a>00147 <span class="keywordtype">int</span> cc = oasys::IO::poll_multiple(pollfds, num_pollfds, -1, NULL, <a name="l00148"></a>00148 logpath_); <a name="l00149"></a>00149 <span class="keywordflow">if</span> (cc <= 0) { <a name="l00150"></a>00150 log_err(<span class="stringliteral">"unexpected return from poll_multiple: %d"</span>, cc); <a name="l00151"></a>00151 <span class="keywordflow">return</span>; <a name="l00152"></a>00152 } <a name="l00153"></a>00153 <a name="l00154"></a>00154 <span class="keywordflow">if</span> (shutdown_) { <a name="l00155"></a>00155 log_debug(<span class="stringliteral">"shutdown_ bit set, exiting"</span>); <a name="l00156"></a>00156 <span class="keywordflow">break</span>; <a name="l00157"></a>00157 } <a name="l00158"></a>00158 <a name="l00159"></a>00159 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_pollfds - 1; ++i) { <a name="l00160"></a>00160 <span class="keywordflow">if</span> (pollfds[i].revents != 0) { <a name="l00161"></a>00161 log_debug(<span class="stringliteral">"calling DNSServiceProcessResult for svc %d (fd %d)"</span>, <a name="l00162"></a>00162 i, pollfds[i].<a class="code" href="dtnperf-client_8c.html#6f8059414f0228f0256115e024eeed4b">fd</a>); <a name="l00163"></a>00163 DNSServiceProcessResult(svc_vec_[i]); <a name="l00164"></a>00164 } <a name="l00165"></a>00165 } <a name="l00166"></a>00166 } <a name="l00167"></a>00167 } <a name="l00168"></a>00168 <a name="l00169"></a>00169 <span class="comment">//----------------------------------------------------------------------</span> <a name="l00170"></a>00170 <span class="keyword">const</span> <span class="keywordtype">char</span>* <a name="l00171"></a>00171 BonjourDiscovery::dns_service_strerror(DNSServiceErrorType err) <a name="l00172"></a>00172 { <a name="l00173"></a>00173 <span class="keywordflow">switch</span>(err) { <a name="l00174"></a>00174 <span class="keywordflow">case</span> kDNSServiceErr_NoError: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_NoError"</span>; <a name="l00175"></a>00175 <span class="keywordflow">case</span> kDNSServiceErr_Unknown: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_Unknown"</span>; <a name="l00176"></a>00176 <span class="keywordflow">case</span> kDNSServiceErr_NoSuchName: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_NoSuchName"</span>; <a name="l00177"></a>00177 <span class="keywordflow">case</span> kDNSServiceErr_NoMemory: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_NoMemory"</span>; <a name="l00178"></a>00178 <span class="keywordflow">case</span> kDNSServiceErr_BadParam: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_BadParam"</span>; <a name="l00179"></a>00179 <span class="keywordflow">case</span> kDNSServiceErr_BadReference: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_BadReference"</span>; <a name="l00180"></a>00180 <span class="keywordflow">case</span> kDNSServiceErr_BadState: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_BadState"</span>; <a name="l00181"></a>00181 <span class="keywordflow">case</span> kDNSServiceErr_BadFlags: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_BadFlags"</span>; <a name="l00182"></a>00182 <span class="keywordflow">case</span> kDNSServiceErr_Unsupported: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_Unsupported"</span>; <a name="l00183"></a>00183 <span class="keywordflow">case</span> kDNSServiceErr_NotInitialized: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_NotInitialized"</span>; <a name="l00184"></a>00184 <span class="keywordflow">case</span> kDNSServiceErr_AlreadyRegistered: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_AlreadyRegistered"</span>; <a name="l00185"></a>00185 <span class="keywordflow">case</span> kDNSServiceErr_NameConflict: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_NameConflict"</span>; <a name="l00186"></a>00186 <span class="keywordflow">case</span> kDNSServiceErr_Invalid: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_Invalid"</span>; <a name="l00187"></a>00187 <span class="keywordflow">case</span> kDNSServiceErr_Firewall: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_Firewall"</span>; <a name="l00188"></a>00188 <span class="keywordflow">case</span> kDNSServiceErr_Incompatible: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_Incompatible"</span>; <a name="l00189"></a>00189 <span class="keywordflow">case</span> kDNSServiceErr_BadInterfaceIndex: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_BadInterfaceIndex"</span>; <a name="l00190"></a>00190 <span class="keywordflow">case</span> kDNSServiceErr_Refused: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_Refused"</span>; <a name="l00191"></a>00191 <span class="keywordflow">case</span> kDNSServiceErr_NoSuchRecord: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_NoSuchRecord"</span>; <a name="l00192"></a>00192 <span class="keywordflow">case</span> kDNSServiceErr_NoAuth: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_NoAuth"</span>; <a name="l00193"></a>00193 <span class="keywordflow">case</span> kDNSServiceErr_NoSuchKey: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_NoSuchKey"</span>; <a name="l00194"></a>00194 <span class="keywordflow">case</span> kDNSServiceErr_NATTraversal: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_NATTraversal"</span>; <a name="l00195"></a>00195 <span class="keywordflow">case</span> kDNSServiceErr_DoubleNAT: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_DoubleNAT"</span>; <a name="l00196"></a>00196 <span class="keywordflow">case</span> kDNSServiceErr_BadTime: <span class="keywordflow">return</span> <span class="stringliteral">"kDNSServiceErr_BadTime"</span>; <a name="l00197"></a>00197 <span class="keywordflow">default</span>: <a name="l00198"></a>00198 <span class="keyword">static</span> <span class="keywordtype">char</span> <a class="code" href="num2sdnv_8c.html#a81cdcc7ff6987bc85c073253e32715f">buf</a>[32]; <a name="l00199"></a>00199 snprintf(buf, <span class="keyword">sizeof</span>(buf), <span class="stringliteral">"%d"</span>, err); <a name="l00200"></a>00200 <span class="keywordflow">return</span> buf; <a name="l00201"></a>00201 } <a name="l00202"></a>00202 } <a name="l00203"></a>00203 <a name="l00204"></a>00204 <span class="comment">//----------------------------------------------------------------------</span> <a name="l00205"></a>00205 <span class="keywordtype">void</span> <a name="l00206"></a>00206 BonjourDiscovery::remove_svc(DNSServiceRef sdRef) <a name="l00207"></a>00207 { <a name="l00208"></a>00208 SvcVector::iterator iter; <a name="l00209"></a>00209 <span class="keywordflow">for</span> (iter = svc_vec_.begin(); iter != svc_vec_.end(); ++iter) { <a name="l00210"></a>00210 <span class="keywordflow">if</span> (*iter == sdRef) { <a name="l00211"></a>00211 svc_vec_.erase(iter); <a name="l00212"></a>00212 <span class="keywordflow">return</span>; <a name="l00213"></a>00213 } <a name="l00214"></a>00214 } <a name="l00215"></a>00215 <a name="l00216"></a>00216 log_err(<span class="stringliteral">"remove_svc: can't find sdRef %p in vector!!"</span>, sdRef); <a name="l00217"></a>00217 } <a name="l00218"></a>00218 <a name="l00219"></a>00219 <span class="comment">//----------------------------------------------------------------------</span> <a name="l00220"></a>00220 <span class="keywordtype">void</span> <a name="l00221"></a>00221 BonjourDiscovery::handle_register_reply(DNSServiceRef sdRef, <a name="l00222"></a>00222 DNSServiceFlags flags, <a name="l00223"></a>00223 DNSServiceErrorType errorCode, <a name="l00224"></a>00224 <span class="keyword">const</span> <span class="keywordtype">char</span> *name, <a name="l00225"></a>00225 <span class="keyword">const</span> <span class="keywordtype">char</span> *regtype, <a name="l00226"></a>00226 <span class="keyword">const</span> <span class="keywordtype">char</span> *domain) <a name="l00227"></a>00227 { <a name="l00228"></a>00228 (void)flags; <a name="l00229"></a>00229 (void)errorCode; <a name="l00230"></a>00230 (void)name; <a name="l00231"></a>00231 (void)regtype; <a name="l00232"></a>00232 (void)domain; <a name="l00233"></a>00233 <a name="l00234"></a>00234 log_debug(<span class="stringliteral">"handle_register_reply(%s, %s, %s): %s"</span>, <a name="l00235"></a>00235 name, regtype, domain, dns_service_strerror(errorCode)); <a name="l00236"></a>00236 <a name="l00237"></a>00237 remove_svc(sdRef); <a name="l00238"></a>00238 } <a name="l00239"></a>00239 <a name="l00240"></a>00240 <span class="comment">//----------------------------------------------------------------------</span> <a name="l00241"></a>00241 <span class="keywordtype">void</span> <a name="l00242"></a>00242 BonjourDiscovery::handle_browse(DNSServiceRef sdRef, <a name="l00243"></a>00243 DNSServiceFlags flags, <a name="l00244"></a>00244 uint32_t interfaceIndex, <a name="l00245"></a>00245 DNSServiceErrorType errorCode, <a name="l00246"></a>00246 <span class="keyword">const</span> <span class="keywordtype">char</span> *name, <a name="l00247"></a>00247 <span class="keyword">const</span> <span class="keywordtype">char</span> *regtype, <a name="l00248"></a>00248 <span class="keyword">const</span> <span class="keywordtype">char</span> *domain) <a name="l00249"></a>00249 { <a name="l00250"></a>00250 (void)sdRef; <a name="l00251"></a>00251 (void)interfaceIndex; <a name="l00252"></a>00252 <a name="l00253"></a>00253 <span class="keywordflow">if</span> (errorCode != kDNSServiceErr_NoError) { <a name="l00254"></a>00254 log_warn(<span class="stringliteral">"handle_browse(%s, %s, %s): error %s"</span>, <a name="l00255"></a>00255 name, regtype, domain, dns_service_strerror(errorCode)); <a name="l00256"></a>00256 <span class="keywordflow">return</span>; <a name="l00257"></a>00257 } <a name="l00258"></a>00258 <a name="l00259"></a>00259 <span class="keywordflow">if</span> (flags & kDNSServiceFlagsAdd) { <a name="l00260"></a>00260 log_info(<span class="stringliteral">"browse found new entry: %s.%s.%s (if %d) -- setting up resolver"</span>, <a name="l00261"></a>00261 name, regtype, domain, interfaceIndex); <a name="l00262"></a>00262 DNSServiceRef svc; <a name="l00263"></a>00263 DNSServiceErrorType err; <a name="l00264"></a>00264 <a name="l00265"></a>00265 err = DNSServiceResolve(&svc, 0, interfaceIndex, name, regtype, domain, <a name="l00266"></a>00266 (DNSServiceResolveReply)resolve_callback, <span class="keyword">this</span>); <a name="l00267"></a>00267 <span class="keywordflow">if</span> (err != kDNSServiceErr_NoError) { <a name="l00268"></a>00268 log_err(<span class="stringliteral">"error in DNSServiceResolve: %s"</span>, <a name="l00269"></a>00269 dns_service_strerror(err)); <a name="l00270"></a>00270 <span class="keywordflow">return</span>; <a name="l00271"></a>00271 } <a name="l00272"></a>00272 <a name="l00273"></a>00273 svc_vec_.push_back(svc); <a name="l00274"></a>00274 } <span class="keywordflow">else</span> { <a name="l00275"></a>00275 log_info(<span class="stringliteral">"browse found old entry: %s.%s.%s"</span>, <a name="l00276"></a>00276 name, regtype, domain); <a name="l00277"></a>00277 } <a name="l00278"></a>00278 } <a name="l00279"></a>00279 <a name="l00280"></a>00280 <span class="comment">//----------------------------------------------------------------------</span> <a name="l00281"></a>00281 <span class="keywordtype">void</span> <a name="l00282"></a>00282 BonjourDiscovery::handle_resolve(DNSServiceRef sdRef, <a name="l00283"></a>00283 DNSServiceFlags flags, <a name="l00284"></a>00284 uint32_t interfaceIndex, <a name="l00285"></a>00285 DNSServiceErrorType errorCode, <a name="l00286"></a>00286 <span class="keyword">const</span> <span class="keywordtype">char</span> *fullname, <a name="l00287"></a>00287 <span class="keyword">const</span> <span class="keywordtype">char</span> *hosttarget, <a name="l00288"></a>00288 uint16_t port, <a name="l00289"></a>00289 uint16_t txtlen, <a name="l00290"></a>00290 <span class="keyword">const</span> <span class="keywordtype">char</span>* txtRecord) <a name="l00291"></a>00291 { <a name="l00292"></a>00292 EndpointID remote_eid; <a name="l00293"></a>00293 oasys::StaticStringBuffer<64> <a class="code" href="num2sdnv_8c.html#a81cdcc7ff6987bc85c073253e32715f">buf</a>; <a name="l00294"></a>00294 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> value_len; <a name="l00295"></a>00295 <span class="keywordtype">char</span>* value; <a name="l00296"></a>00296 <a name="l00297"></a>00297 (void)sdRef; <a name="l00298"></a>00298 (void)flags; <a name="l00299"></a>00299 (void)interfaceIndex; <a name="l00300"></a>00300 <a name="l00301"></a>00301 <span class="keywordflow">if</span> (errorCode != kDNSServiceErr_NoError) { <a name="l00302"></a>00302 log_warn(<span class="stringliteral">"handle_resolve(%s, %s): error %s"</span>, <a name="l00303"></a>00303 fullname, hosttarget, dns_service_strerror(errorCode)); <a name="l00304"></a>00304 <span class="keywordflow">goto</span> done; <a name="l00305"></a>00305 } <a name="l00306"></a>00306 <a name="l00307"></a>00307 <span class="keywordflow">if</span> (txtlen == 0) { <a name="l00308"></a>00308 log_warn(<span class="stringliteral">"handle_resolve(%s, %s): zero-length txt record"</span>, <a name="l00309"></a>00309 fullname, hosttarget); <a name="l00310"></a>00310 <span class="keywordflow">goto</span> done; <a name="l00311"></a>00311 } <a name="l00312"></a>00312 <a name="l00313"></a>00313 <span class="keywordflow">if</span> (!TXTRecordContainsKey(txtlen, txtRecord, ADDRESS_KEY)){ <a name="l00314"></a>00314 log_warn(<span class="stringliteral">"handle_resolve(%s, %s): no ADDRESS_KEY field found in txt record"</span>, <a name="l00315"></a>00315 fullname, hosttarget); <a name="l00316"></a>00316 <span class="keywordflow">goto</span> done; <a name="l00317"></a>00317 } <a name="l00318"></a>00318 <a name="l00319"></a>00319 value = (<span class="keywordtype">char</span>*) TXTRecordGetValuePtr(txtlen, txtRecord, ADDRESS_KEY, &value_len); <a name="l00320"></a>00320 <a name="l00321"></a>00321 remote_eid.assign(value, static_cast<size_t>(value_len)); <a name="l00322"></a>00322 <span class="keywordflow">if</span> (!remote_eid.valid()) { <a name="l00323"></a>00323 log_warn(<span class="stringliteral">"handle_resolve(%s, %s): %s not a valid eid"</span>, <a name="l00324"></a>00324 fullname, hosttarget, remote_eid.c_str()); <a name="l00325"></a>00325 <span class="keywordflow">goto</span> done; <a name="l00326"></a>00326 } <a name="l00327"></a>00327 <a name="l00328"></a>00328 <span class="keywordflow">if</span> (remote_eid.equals(BundleDaemon::instance()->local_eid())) { <a name="l00329"></a>00329 log_info(<span class="stringliteral">"handle_resolve(%s, %s): ignoring resolution of local eid %s"</span>, <a name="l00330"></a>00330 fullname, hosttarget, remote_eid.c_str()); <a name="l00331"></a>00331 <span class="keywordflow">goto</span> done; <a name="l00332"></a>00332 } <a name="l00333"></a>00333 <a name="l00334"></a>00334 log_debug(<span class="stringliteral">"handle_resolve: name %s host %s port %u txt %s if %d: err %s"</span>, <a name="l00335"></a>00335 fullname, hosttarget, ntohs(port), remote_eid.c_str(), <a name="l00336"></a>00336 interfaceIndex, dns_service_strerror(errorCode)); <a name="l00337"></a>00337 <a name="l00338"></a>00338 buf.appendf(<span class="stringliteral">"%s:%u"</span>, hosttarget, htons(port)); <a name="l00339"></a>00339 <a name="l00340"></a>00340 <span class="comment">// XXX/demmer in the future this should check for udp as well</span> <a name="l00341"></a>00341 log_debug(<span class="stringliteral">"calling handle_neighbor_discovered for next hop %s"</span>, buf.c_str()); <a name="l00342"></a>00342 handle_neighbor_discovered(<span class="stringliteral">"tcp"</span>, buf.c_str(), remote_eid); <a name="l00343"></a>00343 <a name="l00344"></a>00344 done: <a name="l00345"></a>00345 remove_svc(sdRef); <a name="l00346"></a>00346 } <a name="l00347"></a>00347 <a name="l00348"></a>00348 } <span class="comment">// namespace dtn</span> <a name="l00349"></a>00349 <a name="l00350"></a>00350 <span class="preprocessor">#endif </span><span class="comment">/* OASYS_BONJOUR_ENABLED */</span> </pre></div></div> <hr size="1"><address style="text-align: right;"><small>Generated on Mon Jul 21 14:09:37 2008 for DTN Reference Implementation by <a href="http://www.doxygen.org/index.html"> <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6 </small></address> </body> </html>